Cattle guard



F. BAU ER CATTLE GUARD May 31, 1932.

Filed"Nov. 11, 1951 2 Sheets-Sheet 2 M Ll Inventor therethrough.

ylPaenfedMaysl, 1932: i 1350,5713

UNITED ST ES eArn-z -nr orrlcs Application filed'November 11, 1931. Serial No; 574,409.

The present invention relates to a cattle ground, one pair to each side of one of the l guard to prevent cattle from passing'through platform P. v 1 e an opening in a fence or the like-which is On the ends ofthe rockers 9 remote from provided for the passage of automobiles, the hangers are suitable weight elements 5 trucks and the like and the prime object of 12 suflicient to normally hold the platforms the invention resides inrthe provision of a in the inclined position shown in Figure 2. guard of this nature which will permit the Two pairs of guide posts 14 are provided passage of an automobile or truck thereover and the weighted ends of the rockers move at which time the weight of the automobile therebetween and are limited in their upward m will cause platforms normally inclined to movement by cross pins 15. swing down to a flat position, there being It will be'readily appreciated that when means to return the platforms to their nor-i the platforms are in inclined positions asmal inclined positions after the automobile Shown in full lines in Figure 2 an automoor the like has passed thereover. bile, truck or the like may run up on one of Another very important object of'the inthe platforms and the weight of the truck vention resides in the provision of, a cattle will cause theplatforms to swing down to guard of this naturewhich is simple, in its the fiat dotted line position of Figure '2 so construction, inexpensive to manufacture, that the vehicle may easily pass thereover thoroughly eflicient and reliable in use and and after having passed thereover the rockers operation, and otherwise well adapted to the will lift the platforms to their normal inpurpose for which it is designed. clined position so as to prevent cattle from With the above and numerous other obj ct passing through the driveway in the fence or in view as will appear-as the description prothe like. ceeds, the invention resides in certain novel It is thought that the construction, op-

featuresof construction, and in the combinaeration utility and advantages of this invenf tion and arrangement of parts as will be here- 911 W111 now be quite apparent to those i ft f lly de rib d a d clai d, skilled in this art without a more detailed In the drawings: descrlption thereof. 7

a Fi ure 1 is a top la Vi w f a attl guard The present embodiment of the invention 1,

n b d in th f tur of my in ntion, has been described in considerable detail 80 Figure 2 is a vertical longitudinal section rely for the purposes of exemplification a r p since in actual practice it attains the features v Figu 3 i a detail ti tak substanof advantage enumerated as desirable in the or ti ll on th li 3 3 f Fi u 2, d statement of the invention and the above Figure 4 is a detail section taken substan- I}pt10nv e tially on the line l -4 of Figure 2; I It is apparent that changes in the details Referring to the drawings in detail, it will Cntrl1ct1n y b f t0 wlthqut be seen that the letters P denote generally a, P P r-q fronlflm splrlt P scope of h 2D pail. of platforms Each Platform comprises 7 vention as hereinafter claimed or sacrificing a pair of spaced parallel coextensive longiany ofdts advantages. tudinal bars 5 across which are a plurality I f thus .dejscnbed my mventlon'what of spaced parallel coextensive cleats6. Adj a 0 mm as new cent ends of the bars 5 of the twoplatforms g igs gigg ggg ggi gh gggigig are rockable on a transversely disposedrod7 transverselv through the Overlapping pop 5f the ends of which are mounted in hangers 8 t'ion f thgplatforfil hangers i t l Cons V which 9J9 pllotallyisuspended o ends of nected to said rod and extending upwardlv rockers These Q 9 are lockably therefrom, rockers having pivotal connectioh mounted intermediatetheir ends as at 10 be-ss with the upper portions of said hangers.

tweenipairs of posts 11 rising from the weights mounted on the outer portionsof said rockers, pairs of standards supporting the rockers for rocking mot-ion intermediate the ends thereof, and pairs of guide plates for guiding the rockers in vertical motion and having means to limit the rocking motion of the same.

Intestimony whereof I aflix my signature.

FRANK BAUER. 

